About the Number

121439988

121439987 ← → 121439989

2進数表記:111001111010000011011110100

漢数字表記:一億二千百四十三万九千九百八十八

素因数分解:

2 2 × 3 2 × 827 1 × 4079 1

素因数の和:4916
約数の個数: 36
約数和(自身を含む): 307419840
約数和(自身を除く): 185979852

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 36, 827, 1654, 2481, 3308, 4079, 4962, 7443, 8158, 9924, 12237, 14886, 16316, 24474, 29772, 36711, 48948, 73422, 146844, 3373333, 6746666, 10119999, 13493332, 20239998, 30359997, 40479996, 60719994, 121439988]

約数ペア:
[(1, 121439988), (2, 60719994), (3, 40479996), (4, 30359997), (6, 20239998), (9, 13493332), (12, 10119999), (18, 6746666), (36, 3373333), (827, 146844), (1654, 73422), (2481, 48948), (3308, 36711), (4079, 29772), (4962, 24474), (7443, 16316), (8158, 14886), (9924, 12237)]

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